Questions tagged [threefish]

A family of tweakable symmetric block-cipher algorithms with 256, 512 and 1024 bit block and key sizes.

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Some simple questions about tweakable ciphers

I have read a few papers on tweakable ciphers (didn't understand them well, though) and looked at many of the questions and answers on this exchange: What is a tweakable block cipher, Tweakable Block ...
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2answers
953 views

Is there a real purpose to use Twofish, Serpent or Threefish instead of AES?

I am wondering if other ciphers like Serpent or Twofish or even Threefish have really an use in real life, because AES seems to be very efficient in most situations. But for example TrueCrypt or ...
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116 views

How to determine which tweak was used

Imagine the following situation: you have a tweakable block cipher you have a plain text block you have a cipher text block you have the key which was used to encrypt the plain text block I have ...
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1answer
478 views

How to encrypt data with the Threefish cipher

I want to know how the Threefish cipher can be used to encrypt and decrypt. I tried to find out by searching the Internet but can't find a concrete answer. The only answers are theoretical in nature ...
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1answer
146 views

What is the difference between lightweight tweakable block cipher and tweakable block cipher?

What is the difference between lightweight tweakable block cipher and tweakable block cipher? For example, lightweight tweakable block cipher is SKINNY family, and tweakable block cipher is Threefish ...
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4answers
4k views

Which is stronger: Threefish 1024-bit, SHACAL-2 512-bit, or AES-256?

I found some App in the Google Store, and there were features only for the PRO version: Threefish 1024-bit and SHACAL-2 512-bit. Meantime, AES-256 was available in the free version of app. So I ...
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5answers
16k views

What encryption should I use: Blowfish, Twofish, or Threefish?

The title of this thread pretty much sums up what I'm asking: what is the best encryption to use out of the three — Blowfish, Twofish, or Threefish?
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3answers
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Is Threefish the only cipher with 1024 bits of security?

Threefish has up to a massive 1024 bits of security. Is it the only cipher with such overkill security?
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860 views

Which symmetric cipher is best for studying? [closed]

I would like to study a modern symmetric cipher (I have never studied a cipher before) and I was wondering which would be the best cipher for studying purposes of the following: AES (Rijndael), ...
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1answer
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What is a tweakable block cipher?

Pretty simple question - but I can't seem to find much information about it. What exactly is a tweakable block cipher? How do they differ from traditional block ciphers? What is the 'tweak'? Is it ...